Re: [Pacemaker] advisory ordering question

2010-05-28 Thread Gianluca Cecchi
On Fri, May 28, 2010 at 8:00 AM, Andrew Beekhof and...@beekhof.net wrote: I don't know if it is the same bug... In the sense that in your bug case the problem is related to: - the stop operation not enforcing the order constraint - the constraint is between a clone of a group and a clone

Re: [Pacemaker] 2 node cluster with clvm, configuration help needed...

2010-05-28 Thread Lars Marowsky-Bree
On 2010-05-20T09:55:40, patrik.rappo...@knapp.com wrote: possibly this behaviour is based on my configuration. could you please give me an advice how to realize this? Upgrade. And configure stonith. Regards, Lars -- Architect Storage/HA, OPS Engineering, Novell, Inc. SUSE LINUX

Re: [Pacemaker] MySQL startup slow on OCFS2

2010-05-28 Thread Lars Marowsky-Bree
On 2010-05-26T10:26:35, daniel qian dan...@bestningning.com wrote: I followed this link to setup a two-node cluster on Ubuntu 10.4 - https://wiki.ubuntu.com/ClusterStack/LucidTesting#Pacemaker,%20drbd8%20and%20OCFS2%20or%20GFS2 Everything is working fine except for running MySQL on both

[Pacemaker] Linux-HA User's Guide 0.9.2

2010-05-28 Thread Florian Haas
Hello everybody, I've pushed an update to the Linux-HA User's Guide to http://www.linux-ha.org/doc. The relevant changes since 0.9.1 are in the section on upgrades from Heartbeat 2.1 to Heartbeat 3 with Pacemaker, starting at: http://www.linux-ha.org/doc/s-upgrade-crm.html As always, PDF

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Florian Haas
On 2010-05-28 14:01, Vadym Chepkov wrote: Hi, I want to convert our home-made application to be managed by pacemaker cluster. The way it works now: application starts, discovers all IPs configured on the system and if it sees preconfigured IP it becomes master and will serve

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Vadym Chepkov
On May 28, 2010, at 8:12 AM, Florian Haas wrote: On 2010-05-28 14:01, Vadym Chepkov wrote: Hi, I want to convert our home-made application to be managed by pacemaker cluster. The way it works now: application starts, discovers all IPs configured on the system and if it sees

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Florian Haas
On 2010-05-28 14:20, Vadym Chepkov wrote: On May 28, 2010, at 8:12 AM, Florian Haas wrote: On 2010-05-28 14:01, Vadym Chepkov wrote: Hi, I want to convert our home-made application to be managed by pacemaker cluster. The way it works now: application starts, discovers all IPs

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Vadym Chepkov
On May 28, 2010, at 8:27 AM, Florian Haas wrote: Imperative word was started. You think I still should go multi-state RA for this application? If the application which that RA applies to distinguishes between roles equivalent to a Master and a Slave, and you want the RA to manage those,

[Pacemaker] Info on customization of RA

2010-05-28 Thread Gianluca Cecchi
Hello, I tried this approach and it seems to work ootb. But I would like to know if there could be silent drawbacks or potential problems from a technical point of view. Under /usr/lib/ocf/resource.d/ I create a directory named myocfdir and inside it I put a copy of an existing RA (eg apache)

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Florian Haas
On 05/28/2010 02:37 PM, Vadym Chepkov wrote: On May 28, 2010, at 8:27 AM, Florian Haas wrote: Imperative word was started. You think I still should go multi-state RA for this application? If the application which that RA applies to distinguishes between roles equivalent to a Master and a

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Vadym Chepkov
On May 28, 2010, at 11:17 AM, Florian Haas wrote: On 05/28/2010 02:37 PM, Vadym Chepkov wrote: On May 28, 2010, at 8:27 AM, Florian Haas wrote: Imperative word was started. You think I still should go multi-state RA for this application? If the application which that RA applies to

Re: [Pacemaker] MySQL startup slow on OCFS2

2010-05-28 Thread daniel qian
On 2010-05-26, at 2:26 PM, Lars Marowsky-Bree wrote: On 2010-05-26T10:26:35, daniel qian dan...@bestningning.com wrote: I followed this link to setup a two-node cluster on Ubuntu 10.4 - https://wiki.ubuntu.com/ClusterStack/LucidTesting#Pacemaker,%20drbd8%20and%20OCFS2%20or%20GFS2

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Maros Timko
So, application acts as master if it was able to bind to the pre-configured IP and as a node if it wasn't. If it's a master it listens on an additional port and receives updates from nodes. Each application pulls video feed out of attached video cameras and stores them on the local drives,